CN107006150B - Safety device for cultivator - Google Patents
Safety device for cultivator Download PDFInfo
- Publication number
- CN107006150B CN107006150B CN201610842748.5A CN201610842748A CN107006150B CN 107006150 B CN107006150 B CN 107006150B CN 201610842748 A CN201610842748 A CN 201610842748A CN 107006150 B CN107006150 B CN 107006150B
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- Prior art keywords
- hole
- hydraulic
- cylinder body
- pressure plate
- piston rod
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B61/00—Devices for, or parts of, agricultural machines or implements for preventing overstrain
- A01B61/04—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame
- A01B61/044—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame the connection enabling a yielding pivoting movement around a substantially horizontal and transverse axis
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B13/00—Ploughs or like machines for special purposes ; Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation
- A01B13/08—Ploughs or like machines for special purposes ; Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation for working subsoil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B61/00—Devices for, or parts of, agricultural machines or implements for preventing overstrain
- A01B61/04—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame
- A01B61/044—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame the connection enabling a yielding pivoting movement around a substantially horizontal and transverse axis
- A01B61/046—Devices for, or parts of, agricultural machines or implements for preventing overstrain of the connection between tools and carrier beam or frame the connection enabling a yielding pivoting movement around a substantially horizontal and transverse axis the device including an energy accumulator for restoring the tool to its working position
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B3/00—Ploughs with fixed plough-shares
- A01B3/24—Tractor-drawn ploughs
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Agricultural Machines (AREA)
Abstract
The present invention relates to a kind of safety devices for cultivator, wherein driving cylinder includes: cylinder body, wherein the pressure plare is located at the front end of piston rod in the insertion cylinder body of the piston rod with pressure plare；First entrance hole and second outlet hole, are formed in the side of the cylinder body；When the piston rod is stretched out from cylinder body, first entrance hole and second outlet hole form and are located at the rear portion of the pressure plate；First outlet hole and second entrance hole, are formed in the other side of the cylinder body；Safety valve is installed on first outlet hole；First hydraulic line is used for connection safety valve and first entrance hole；Second hydraulic line, for connecting second outlet hole and second entrance hole；And check-valves, it is installed on any structure in the second outlet hole, second entrance hole and the second hydraulic line, to avoid hydraulic back to second outlet hole.
Description
Technical field
The present invention relates to a kind of safety devices for cultivator, more particularly to a kind of any damage that can prevent cultivator
There is excess load due to scheduled obstacle (for example, rock, stone etc.) during ploughing and weeding by this method in harmful safety device
When the generation that avoids collision.It is to be set by using cultivator, such as tractor plough, mold plough, plough, earth work under normal circumstances
Standby, subsoiler etc. is implemented, and can be improved working efficiency, wherein the safety device for cultivator can be with simple appearance
Structure manufactures.
Background technique
In the description of the present invention, by using application main in various cultivators plough as cultivator typical example into
Row description, but it is not limited to this.
Under normal circumstances, plough is used for the cultivation of various plants, wherein being carried out using domestic animal (such as horse and ox), machine etc.
The excavation and overturning of soil, to form ridge shape.
Traditional ploughing apparatus of tractor is detachably connected to equipped with multiple plough apparatus, the multiple plough apparatus by
The selected multiple units that plow of size and horsepower based on tractor are formed.Traditional tractor plough device be equipped with there are three or
Eight units that plow.The unit that each plows can be installed relative to main frame along Z-shaped direction, or can be relative to lead
It is diagonally installed in main frame.
When the ploughing apparatus using traditional tractor plow work, plow unit may with bury in the soil
Rock collides.If the unit that will plow is fixedly installed in main frame, the unit that plows may be directly by from rock
Impact force, thus plow unit may damaged or deformation, therefore, the shape of furrow may disintegrate or device may
It is problematic.
It can by describing one kind with the present invention for the applied Korean patent registration No. 10-1117769 of same applicant
Prevent the safety device of any damage to the unit that plows.
The above-mentioned conventional apparatus for tractor includes: the main frame equipped with the connection unit of tractor, the front with
Tractor is connected for drawing；Multiple units that plow, are rotatably mounted in main frame；Multiple driving cylinders, can go up backspin
Turn each plough unit；Bounce cylinder is fixably attached to main frame and with the engagement of piston rod sliding to implement disengaging movement；
First hydraulic line, for being connect with the side of driving cylinder and bounce cylinder；Assistant cylinder, be fixably attached to main frame and
Engagement with piston rod sliding is to implement disengaging movement；Second hydraulic line for the other side with bounce cylinder and assists gas
The side of cylinder connects；And third hydraulic line, for being connect with the other side of the other side of assistant cylinder and driving cylinder.
It is operated below and is illustrated.If plowing unit and rock contact, it will be and the external force due to rock
Rotation upwards, and the hydraulic air inlet that bounce cylinder will be moved to by the first hydraulic line of cylinder interior is driven, piston rod
It will slide into the inside of bounce cylinder, hydraulic in bounce cylinder can be hydraulic via gas outlet, the air inlet of assistant cylinder and second
Pipeline and be discharged.
The piston rod of assistant cylinder will slide into the inside of assistant cylinder, and the hydraulic of its inside will be discharged via outlet, and
Will be mobile by the other side of third hydraulic line towards driving cylinder, to absorb the superpressure as caused by rock.
On the contrary, if the unit that plows rotated upwards due to rock back to its initial position, it is hydraulic will be moved into it is auxiliary
Help cylinder and bounce cylinder.More specifically, will be defeated via third hydraulic line from the hydraulic of other side immigration of driving cylinder
Enter to assistant cylinder, hydraulic so that piston rod be made to be pushed into and be externally exposed, and in assistant cylinder will be arranged by air inlet
Out, and the outlet of bounce cylinder will be input by second hydraulic line.
Since the piston rod of bounce cylinder is externally exposed, internal hydraulic pressure can be input to driving gas via the first hydraulic line
Cylinder, therefore it may return to its initial position.
Spring is mounted on the inside of assistant cylinder, to be elastically supported the piston rod of the assistant cylinder, by the device,
When its by input it is hydraulic be inserted into when, piston rod can be elastically supported.
But in the prior art, a plurality of hydraulic line should be provided and driving cylinder, assistant cylinder and bounce cylinder connect
It connects, structure may become extremely complex thus, and manufacture and may take up very much.
Because assistant cylinder is arranged from assistant cylinder equipped with spring on its interior when plough excavates soil
Out hydraulic is input to driving cylinder via third hydraulic cylinder.For this purpose, the piston rod can retract, it can be with one by its plough
It tilts backwards with putting in order, even if will not hit on scheduled barrier, such as rock etc..Therefore, soil may be equal without carrying out
The farming of even ground.
Summary of the invention
Therefore, it is an object of the present invention to provide a kind of safety devices for cultivator, by simple structure
Manufacture, because rock can only be mitigated any influence of cultivator by driving cylinder, wherein the cultivator can be by stable
It supports.
To achieve the goals above, first embodiment according to the present invention provides a kind of safety dress for cultivator
It sets, may include but be not limited to: main frame comprising a tractor connection unit, front and used with tractor are in traction；Intertillage is single
Member can be rotated up and down to be installed on main frame, thus anthropogenic soil；And driving cylinder, relative to the rotation for carrying out main frame,
It can be elastically supported intertillage unit, wherein the driving cylinder includes: cylinder body, wherein having hydraulic plate in the front end of bar
Bar is inserted into cylinder body；First entrance hole and second outlet hole, are formed in the side of cylinder body；When bar is stretched out from the cylinder body,
First entrance hole and second outlet hole are formed and positioned at the rear portion of pressure plate；First outlet hole and second entrance hole, are formed in
The other side of cylinder body；Safety valve is installed on first outlet hole；First hydraulic line is used for connection safety valve and described first
Ingate；Second hydraulic line, for connecting the second outlet hole and second entrance hole；And check-valves, it is installed on second
It is hydraulic back to second outlet hole to prevent on any one of outlet opening, second entrance hole and second hydraulic line,
In, when bar is stretched out from cylinder body, the first entrance hole and second outlet hole are located at the rear portion of pressure plate, and when bar retraction,
First outlet hole and second entrance hole are located at the front of pressure plate.
To achieve the goals above, second embodiment according to the present invention provides a kind of safety dress for cultivator
It sets, can include but is not limited to: main frame comprising tractor connection unit, front are connect with tractor for drawing；In
Unit is ploughed, can be rotated up and down to be installed on main frame, thus anthropogenic soil；And driving cylinder, relative to carrying out main frame
Rotation, can be elastically supported intertillage unit, wherein the driving cylinder includes: cylinder body, wherein First piston bar and second
Piston rod is inserted into the two sides of cylinder body, wherein having hydraulic plate in the front end of each bar of First piston bar and second piston bar；The
One outlet opening and third ingate, are formed in the middle part of cylinder body；First entrance hole and second outlet hole are formed in the one of cylinder body
Side, the insertion for First piston bar；Second entrance hole and third outlet opening, are formed in the other side of cylinder body, living for second
The insertion of stopper rod；Safety valve is installed on first outlet hole；First hydraulic line enters for connection safety valve and described first
Oral pore；Second hydraulic line, for connecting check-valves and the second entrance hole；Third hydraulic line goes out for connecting second
Oral pore and third ingate；4th hydraulic line, for connecting third outlet opening and third ingate；First check-valve, installation
It is hydraulic back to second outlet hole to prevent in second outlet hole or third hydraulic line；Second check-valve is installed on third and goes out
Oral pore or the 4th hydraulic line, it is hydraulic back to third outlet opening to prevent, wherein when First piston bar is stretched out from cylinder body,
The first entrance hole and second outlet hole are located at the rear portion of pressure plate, when second piston bar is stretched out from cylinder body, second entrance
Hole and third outlet opening are located at the rear portion of pressure plate, and when First piston bar and second piston bar bounce back, first outlet hole and
Third ingate is located at the front of pressure plate.
To achieve the goals above, third embodiment according to the present invention provides a kind of safety device for cultivator,
It may include but be not limited to: main frame comprising a tractor connection unit, front is connect with tractor for drawing；Intertillage
Unit can be rotated up and down to be installed on main frame, thus anthropogenic soil；And driving cylinder, relative to the rotation for carrying out main frame
Turn, intertillage unit can be elastically supported, wherein the driving cylinder includes: cylinder body, wherein piston rod is inserted into cylinder body,
Wherein there is hydraulic plate in the front end of bar；First hydraulic hole, is formed in the side of cylinder body；Second hydraulic hole, is formed in cylinder body
The other side；And hydraulic line, for connecting the first hydraulic hole and the second hydraulic hole, wherein when bar is stretched out from the cylinder body,
First hydraulic hole is located at the rear portion of pressure plate；And when bar retracts, the second hydraulic hole is located at the front of pressure plate.
Different from traditional technology, the present invention does not need relief cylinder and bounce cylinder and for connecting the hydraulic of them
Pipeline.In the present invention, the ingate of the driving cylinder itself and outlet opening are connected to hydraulic line, for this purpose, the product
Structure may seem simply, and manufacturing cost reduce.
In addition, even if during normal farming, that is, will not hit on scheduled barrier, due to scheduled constant pressure
It loads on the piston rod of cylinder, will not be lifted there is a situation where intertillage unit, carry out farming equably.
Detailed description of the invention
With reference to the attached drawing of accompanying, the present invention may be better understood, only provided by way of explanation, and is therefore not right
The present invention limits, in which:
Fig. 1 is the schematic diagram of an example of cultivator according to the present invention；
Fig. 2 is the schematic diagram according to the safety device for cultivator of the first embodiment of the present invention；
Fig. 3 is the schematic diagram according to the safety device for cultivator of the second embodiment of the present invention；
Fig. 4 is the schematic diagram according to the safety device for cultivator of the third embodiment of the present invention；And
Fig. 5 and Fig. 6 is the schematic diagram for adjusting the structure of the pressure of pressure plate according to the present invention.
Specific embodiment
The present invention will be described with reference to the accompanying drawings.
In entire description of the invention, plough is used as a kind of cultivator, will be described as an example.
Fig. 1 is the schematic diagram of an example of cultivator according to the present invention.Referring to Fig.1, there is main frame 100, intertillage
Unit 200 and driving cylinder 300.
The tractor connection unit connecting with tractor is provided in the front end of main frame 100, for drawing.
Intertill unit 200, that is, plow unit 200, for carrying out work of plowing, more specifically, for excavating and overturning soil
The work of earth.The unit 200 that plows is installed on main frame 100.
The unit 200 that plows can be installed on main frame 100 in a manner of it can be rotated up and down, and can be formed ploughshare and
Template.
Driving cylinder 300 can be mutually matched installation with the unit 200 that plows, and driving cylinder 300 is to use hydraulic liquid
Air cylinder.It is double acting hydraulic cylinder, and be configured to be rotated up and down described in cooperation plows unit 200 and make reciprocal fortune along straight line
It is dynamic.
Unit 210 is engaged by means of rotation, one end of the bar 311 of cylinder 300 is driven to be rotatably coupled to the unit that plows
200 top, and by means of engaging unit 110, the rear end of driving cylinder 300 is rotatably coupled to main frame 100.
In the structure of the driving cylinder 300 of first embodiment according to the present invention, bar 311 is joined to cylinder block 310
Side on, pressure plate 312 is arranged in the front end of bar 311, and the setting of pin assembling unit 313 is in its back-end, and wherein pin bank fills
Unit 313 is combined with the rotation for the unit 200 that plows engagement unit 210.
In addition, first entrance hole 305 and second outlet hole 306 are formed in the side of cylinder body 310, that is, the bar 311 is inserted into
Side.When the bar 311 stretches out, first entrance hole 305 and second outlet hole 306 are located at the rear side of pressure plate 312.
First outlet hole 302 and second entrance hole 309 are formed in the other side of cylinder body 310, and safety valve 303 can be installed
In first outlet hole 302.
Safety valve 303 can be constructed in the following manner, if predetermined hydraulic pressure to be applied to the inside of cylinder block 301, be pacified
Full valve can open.
First hydraulic line 304 is connected between safety valve 303 and first entrance hole 305, and the first hydraulic line 304 can
To be made of tubular metal material, and the second hydraulic line 307 made of tubular metal material can connect in second outlet
Between hole 306 and second entrance hole 309.
Check-valves 308 is mountable to the second hydraulic line 307, to prevent from flowing back into from the hydraulic of second outlet hole 306
Second outlet hole 306, it is hydraulic only to flow to second entrance hole 309 from second outlet hole 306 by the device.
Check-valves 308 can be installed on second outlet hole 306 or second entrance hole 309.
The movement of the first embodiment of the present invention is illustrated below.
When normal anthropogenic soil, bar 311 keeps stretching state.In this state, in the inside of cylinder block 301,
I.e. in the front side of pressure plate 312, scheduled pressure can be formed, therefore the unit 200 that plows can be supported, rather than rotation upwards
Turn.
In this case, as not yet forming the power of pressure set by the inside higher than cylinder block 301, safety valve
303 remain turned-off.
If the unit 200 that plows collides scheduled barrier, such as stone or rock, it is higher than inside cylinder block 301
The power of pressure can be applied to the unit 200 that plows, therefore, the unit 200 that plows can rotate upwards from main frame 100, and meeting
It lifts so as to avoiding obstacles.In this state, when bar 311 retracts, the pressure inside cylinder block 301 be will increase.
If the pressure increase in cylinder block 301 is too fast, and be higher than safety valve 303 set by pressure when, then safety
Valve 303 can open, and thus hydraulic in cylinder block 301 can be via first outlet hole 302, safety valve 303, the first hydraulic tube
Line 304 and first entrance hole 305 are input into the rear portion of pressure plate 312.
Meanwhile it can be via the second hydraulic line via the pressure that second outlet hole 306 is formed in the rear side of pressure plate 312
307 and second entrance hole 309 be input to the front of pressure plate 312.At this point, the pressure for being formed in 312 front of pressure plate will not
Second outlet hole 306 is flow back by check-valves 308.
The front and rear of pressure plate 312 shares pressure jointly, so forming identical pressure.With the front phase of pressure plate
Than at the rear portion of pressure plate 312, pressurised zone can reduce thickness identical with bar 311.For this purpose, the front of pressure plate 312 can compare
Rear portion receives higher pressure, and therefore, can produce makes the extended power of bar 311.
After 200 avoiding obstacles of unit that plow, since bar 311 can be by the pressure for being applied to 312 front of pressure plate
And extend, the unit 200 that plows may return to its initial position, also, simultaneously the hydraulic of 312 rear portion of pressure plate can be via
Two outlet openings 306 are input to second entrance hole 309.
During normal farming, wherein the unit 200 that plows is not collided with scheduled barrier, before pressure plate 312
The pressure that portion is formed can be higher than the pressure formed at rear portion.For this purpose, the unit 200 that plows cannot easily lift up, so can
To carry out equably farming to soil.
Above structure, which can permit, provides a kind of construction of simpler appearance because the driving cylinder 300 it is hydraulic not
It need to be transmitted by using additional cylinder.
Fig. 3 is according to the schematic diagram of the construction of the second embodiment of the present invention, and wherein the piston rod 337,340 of cylinder is inserted
Enter to the two sides of cylinder body 321.
First entrance hole 325 and second outlet hole 326 can be formed in the rear portion of the pressure plate 336 of First piston bar 337,
And second entrance hole 331 and third outlet opening 332 can be formed in the rear portion of the pressure plate 339 of second piston bar 338.
In addition, first check-valve 328 can be installed on third hydraulic line 327 or second outlet hole 326.By this method,
The hydraulic energy exported from second outlet hole 326 is prevented from flowing back into second outlet hole 326.More specifically, hydraulic can be only from
Two outlet openings 326 flow to third ingate 329.
Second check-valve 334 can be installed on the 4th hydraulic line 333 or third outlet opening 332, to prevent hydraulic time
Flow to third outlet opening 332, it is described hydraulic only to flow to third ingate 329 from third outlet opening 332.
First check-valve 328 can be installed on second outlet hole 326 or third hydraulic line 327, and second check-valve 334
Third outlet opening 332 or the 4th hydraulic line 333 can be installed on.
The pin assembling unit 337 of First piston bar 335 and the pin assembling unit 340 of second piston bar can pass through main frame
The rotation engagement unit 210 of 100 engagement unit 110 and the unit 200 that plows rotatably engages.
The operation of the second embodiment of the present invention and the operation of the first embodiment of the present invention are similar.If intertilling unit
200 since scheduled barrier rotates upwards, and the First piston bar 335 and second piston bar 338 positioned at 321 two sides of cylinder body are returned
Contracting, and it is hydraulic first entrance hole 325 and second entrance hole 331 are assigned to by safety valve 323, and pressure plate 336,
The hydraulic of 339 rear portions can be input into third ingate 329 via third hydraulic line 327 and the 4th hydraulic line 333.
If the movement of avoiding obstacles is completed, the unit 200 that plows can be by the self weight and application for the unit 200 that plows
In the front of pressure plate 336,339 pressure and decline, this is because during anthropogenic soil, to pressure plate 336,339
Apply pressure, wherein the pressure is higher than the pressure at the rear portion of pressure plate.For this purpose, the unit 200 that plows may be not easy to be lifted
Get up, equably farming can be carried out to the soil whereby.
Fig. 4 is the schematic diagram according to third embodiment of the invention.Piston rod 356 can be flanked with the one of cylinder block 351
It closes.Pressure plate 357 can be set can be set in its back-end in the front end of piston rod 356, and pin assembling unit 358, wherein
The pin dress dress unit 358 will engage unit 210 with the rotation for the unit 200 that plows and engage.
In addition, the first hydraulic hole 354 can be formed in the side that the piston rod 356 of cylinder block 351 is inserted into, and work as piston
When bar 356 stretches out, the first hydraulic hole 354 can be located at the rear portion of pressure plate 357.
Second hydraulic hole 352 can be formed in the other side of cylinder block 351.The hydraulic tube made of tubular metal material
Line 353 can connect between the first hydraulic hole 354 and the second hydraulic hole 352.
If intertillage unit 200 is since scheduled barrier rotates upwards, piston rod 356 is retracted, and before pressure plate 357
The pressure in portion can flow to the first hydraulic hole 354 by the second hydraulic hole 352.
At this point, the hydraulic of 357 front of pressure plate can be hydraulic identical with the rear part.For the pressure at 357 rear portion of pressure plate
Power, due to pressurised zone with 356 condition of equivalent thickness of piston rod and reduce, the front of pressure plate 357 can receive higher than the rear part
Pressure, than, from the rear portion that the pressurised zone is reduced by the thickness no less than bar 356, which has enough at it
Power stretches out piston rod 356.
After the unit 200 that plows avoids barrier, since piston rod 356 can be by being applied to 357 front of pressure plate
Pressure and stretched out, plow unit 200 will back to its initial position, meanwhile, the hydraulic of pressure plate 357 can be via liquid
Pressure pipeline 353 is input to second entrance hole 352.
During normal farming, wherein the unit 200 that plows is not collided with scheduled barrier, before pressure plate 357
The pressure that portion is formed can be higher than the pressure formed at rear portion.For this purpose, the unit 200 that plows cannot easily lift up, so
Equably farming can be carried out to soil.
Referring to Fig. 5, in of the invention first and 3rd embodiment, rotating arm 360 engages unit 210 on energy with rotation
The mode of lower rotation engages, and nut member 361 is fixed on rotating arm 360, and threaded portion 362 is formed in the outside of piston rod 311, right
Ying Yu is not inserted into the part of cylinder 300 and threaded portion 362 is engaged with nut member 361.
The position of pressure plate in cylinder 300 depends on being fixably attached to the nut member based on piston rod 311
361 position, for this purpose, the hydraulic levels of hydraulic space can greatly change.
More specifically, the hydraulic pressure of pressure plate can be adjusted based on the stroke distances of piston rod 311.In winter,
The position of the pressure plate can move forward, and move it more to the inside of cylinder block by rotary-piston bar 311 by this method
It is dynamic, to set its original state.
In this way, even if also making holding is suitably hydraulic to become in the case where leading to hydraulic condensation due to cold snap
May, increase the hydraulic pressure in hydraulic space by this method.
Since hydraulic pressure extends in the hot summer, so its original state can be set as by moving backward piston
Bar 311, moves backward pressure plate, to keep pressure appropriate.
Therefore, the stress level that the inside of cylinder 300 is formed can be carried out by the original state of fixed piston rod 311
Adjustment.
Rotating arm 360 and nut member 361 can be located at engagement unit 110.Cylinder 300 can be installed on opposite direction,
Wherein, the rear part can engage the rotation of unit 210 with rotation and engage, and piston rod 311 can be engaged with nut member 361.
Above structure is used for the second embodiment of the present invention, more specifically, it can be used for First piston bar 335 and the
Two piston rods 338.
Rotating arm can be set in each of rotation engagement unit 210 and engagement unit 110, and in first piston
Bar 335 and second piston bar 338 can be engaged with the nut member provided on rotating arm.
Referring to Fig. 6, stay bolt 363 can be connect with the rear portion of cylinder 300.Stay bolt 363 is in the rotation for passing through engagement unit 110
It can be positioned at upwardly or downwardly after shaft 111.Stay bolt 365 is subsequently fixed at by nut part 363,364
The front and rear of rotary shaft 111.
In this way, since the stroke distance of piston rod 311 is limited, make it possible the plus-pressure for adjusting pressure plate, with this
Come change cylinder 300 front and rear position.
After the position of cylinder 300 is inverted, above-mentioned construction can be used for rotating engagement unit 210.
Since the present invention can be embodied in a variety of forms without departing from its spirit or essential characteristics, it should be further appreciated that on
Embodiment is stated not limited by the details of any foregoing description, unless otherwise indicated, but should be according to the attached claims
All change and modification that the spirit and scope of restriction are widely explained, and therefore fallen within the scope of the appended claims, belong to
Protection scope of the present invention.
Drawing reference numeral explanation
301: cylinder block 302: first outlet hole
303: 304: the first hydraulic line of safety valve
305: first entrance hole 306: second outlet hole
307: the second hydraulic lines 308: check-valves
309: second entrance hole 313: pin assembling unit
311: piston rod 312: pressure plate.
Claims (6)
1. a kind of safety device for cultivator, comprising:
Main frame, including tractor connection unit, front are connect with tractor for drawing；
Unit is intertilled, the main frame is installed in a manner of it can be rotated up and down, thus anthropogenic soil；And
Cylinder is driven to be elastically supported the intertillage unit relative to the rotation of main frame；
Wherein the driving cylinder includes:
Cylinder body, wherein the pressure plate is located at the front end of piston rod in the insertion cylinder body of the piston rod with pressure plate；
First entrance hole and second outlet hole, are formed in the side of the cylinder body；
When the piston rod is stretched out from cylinder body, after first entrance hole and second outlet hole form and are located at the pressure plate
Portion；
First outlet hole and second entrance hole, are formed in the other side of the cylinder body；
Safety valve is installed on first outlet hole；
First hydraulic line is used for connection safety valve and first entrance hole；
Second hydraulic line, for connecting second outlet hole and second entrance hole；And
Check-valves is installed on any structure in the second outlet hole, second entrance hole and the second hydraulic line, to keep away
Exempt from it is hydraulic back to second outlet hole,
Wherein, when piston rod is stretched out from cylinder body, the first entrance hole and second outlet hole are located at the rear portion of pressure plate, and work as
When piston rod bounces back, the first outlet hole and second entrance hole are located at the front of pressure plate.
2. a kind of safety device for cultivator, comprising:
Main frame, including tractor connection unit, front are connect with tractor for drawing；
Unit is intertilled, the main frame is installed in a manner of it can be rotated up and down, thus anthropogenic soil；And
Cylinder is driven to be elastically supported the intertillage unit relative to the rotation of main frame；
Wherein the driving cylinder includes:
Cylinder body, wherein First piston bar and second piston bar are inserted into the two sides of cylinder body, and wherein pressure plate is arranged described first
The front end of each of piston rod and second piston bar；
First outlet hole and third ingate, are formed in the middle part of the cylinder body；
First entrance hole and second outlet hole are formed in the side of the First piston bar insertion cylinder body；
Second entrance hole and third outlet opening are formed in the other side of the second piston bar insertion cylinder body；
Safety valve is installed on the first outlet hole；
First hydraulic line is used for connection safety valve and first entrance hole；
Second hydraulic line is used for connection safety valve and second entrance hole；
Third hydraulic line, for connecting second outlet hole and third ingate；
4th hydraulic line, for connecting third outlet opening and third ingate；
First check-valve is installed on the second outlet hole or third hydraulic line, to avoid hydraulic back to second outlet
Hole；
Second check-valve is installed on the third outlet opening or the 4th hydraulic line, to avoid hydraulic back to third outlet
Hole,
Wherein, when First piston bar is stretched out from cylinder body, the first entrance hole and second outlet hole are located at the rear portion of pressure plate,
When second piston bar is stretched out from cylinder body, the second entrance hole and third outlet opening are located at the rear portion of pressure plate, and work as first
When piston rod and second piston bar bounce back, the first outlet hole and third ingate are located at the front of pressure plate.
3. a kind of safety device for cultivator, comprising:
Main frame, including tractor connection unit, front are connect with tractor for drawing；
Unit is intertilled, the main frame is installed in a manner of it can be rotated up and down, thus anthropogenic soil；And
Cylinder is driven to be elastically supported the intertillage unit relative to the rotation of main frame；
Wherein the driving cylinder includes:
Cylinder body with inner cavity；
It is inserted into the intracorporal piston rod of cylinder by the first end of the cylinder body, wherein the cylinder body includes opposite with the first end
Second end, and the second end is connected with the main frame；
Pressure plate is arranged in the front end of the piston rod, the pressure plate have the first surface being connected with the piston rod and
The second surface opposite with the first surface；
First hydraulic hole, is formed in the side of the cylinder body；
Second hydraulic hole, is formed in the other side of the cylinder body；And
Hydraulic line, for connecting the first hydraulic hole and the second hydraulic hole；
Wherein, when piston rod is stretched out from cylinder body, the first hydraulic hole is located at the rear portion of pressure plate, and when piston rod bounces back
When, the second hydraulic hole is located at the front of pressure plate and the inner cavity is divided into positioned at the pressure plate by the pressure plate
First Room at rear portion and positioned at it is described pressurization prelaminar part second Room,
Wherein, the second Room, the second hydraulic hole, hydraulic line, the first hydraulic hole and the first Room are connected to each other and they are total
With formation closed circuit without including additional container.
4. device according to claim 1 or 3, wherein threaded portion is formed on piston rod, rotating arm and main frame or in
Cultivated unit rotatably engages, and nut member is fixedly installed in rotating arm, and thus piston rod and nut member are engaged.
5. the apparatus of claim 2, wherein threaded portion is formed in First piston bar and second piston bar, rotating arm
It is rotatably engaged with main frame or intertillage unit, and nut member is fixedly installed in rotating arm, thus piston rod and nut member
It is engaged.
6. device described in any one of claim 1 to 3, wherein stay bolt is connect with the rear portion of the driving cylinder,
And the stay bolt is formed in the main frame or the intertillage can be bonded in such a way that upward and downward direction rotates
The engagement unit of unit, and the stay bolt is fixed on the front and rear of the engagement unit by nut part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150162173A KR101623386B1 (en) | 2015-11-19 | 2015-11-19 | Safety apparatus for cultivator |
| KR10-2015-0162173 | 2015-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107006150A CN107006150A (en) | 2017-08-04 |
| CN107006150B true CN107006150B (en) | 2019-03-05 |
Family
ID=56193071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610842748.5A Active CN107006150B (en) | 2015-11-19 | 2016-09-22 | Safety device for cultivator |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9867322B2 (en) |
| EP (1) | EP3378294A4 (en) |
| JP (1) | JP6129391B1 (en) |
| KR (1) | KR101623386B1 (en) |
| CN (1) | CN107006150B (en) |
| WO (1) | WO2017086621A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102128522B1 (en) * | 2017-12-11 | 2020-06-30 | 박기혁 | Safety apparatus for cultivator |
| KR102094861B1 (en) * | 2017-12-27 | 2020-03-30 | 박기혁 | Safety apparatus for cultivator |
| KR102368548B1 (en) * | 2018-06-18 | 2022-03-02 | 박기혁 | Safety apparatus for cultivator |
| WO2019245231A1 (en) * | 2018-06-18 | 2019-12-26 | 박기혁 | Safety device for tiller |
| JP6822688B2 (en) * | 2018-10-30 | 2021-01-27 | 株式会社苫米地技研工業 | Airframe protection device for long harvesters connected to tractors |
| CN111670623A (en) * | 2020-06-29 | 2020-09-18 | 黑龙江省农业科学院土壤肥料与环境资源研究所 | Quantitative control mechanism of automatic fertilizer quantitative fertilization device |
| WO2024192482A1 (en) * | 2023-03-22 | 2024-09-26 | Simex Industries Pty Ltd | Tine assembly |
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- 2015-11-19 KR KR1020150162173A patent/KR101623386B1/en active IP Right Grant
-
2016
- 2016-08-31 JP JP2016168749A patent/JP6129391B1/en active Active
- 2016-09-12 US US15/262,865 patent/US9867322B2/en active Active
- 2016-09-22 CN CN201610842748.5A patent/CN107006150B/en active Active
- 2016-10-27 WO PCT/KR2016/012160 patent/WO2017086621A1/en active Application Filing
- 2016-10-27 EP EP16866573.5A patent/EP3378294A4/en not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107006150A (en) | 2017-08-04 |
| US20170142890A1 (en) | 2017-05-25 |
| EP3378294A4 (en) | 2019-06-12 |
| US9867322B2 (en) | 2018-01-16 |
| WO2017086621A1 (en) | 2017-05-26 |
| KR101623386B1 (en) | 2016-06-07 |
| JP2017093417A (en) | 2017-06-01 |
| EP3378294A1 (en) | 2018-09-26 |
| JP6129391B1 (en) | 2017-05-17 |
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